Food waste is big business these days, from cute metal straws to boxes of ugly produce. The most effective method of fighting food waste is to simply throw out less food, but that isn’t always as easy as it sounds. Expiration dates aren’t accurate indicators of spoilage, so consumers end up wasting far too much. That’s the problem a team of nineteen college students from the University of Michigan is looking to solve, by developing a paper strip test that, with just a few drops of milk, can tell consumers whether or not their milk is still good enough to drink.
According to the USDA, dairy products like milk are one of the most frequently wasted food categories. A 2018 study revealed that nearly one out of every six pints of milk is tossed, in fact.
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